//
//  UINavigationController+BGTransition.h
//  Nav
//
//  Created by Lam BG on 2018/8/8.
//  Copyright © 2018年 YZ. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface UINavigationController (BGTransition)

// YES：执行右滑返回 NO：执行返回按钮
@property (nonatomic, assign, getter=isBg_isEdgePan) BOOL bg_isEdgePan;


- (void)bg_updateNavAlpha:(CGFloat)alpha;

@end
